The FAN5358 is a step-down switching voltage regulator that delivers a fixed output from an input voltage supply of 2.7V to 5.5V. Using a proprietary architecture with synchronous rectification, the device is capable of delivering 500mA and maintaining a very high efficiency of over 80% at load currents as low as 1mA. The regulator operates at a nominal frequency of 2MHz, which reduces the value of the external components to as low as 2.2µH for the output inductor and 4.7µF for the output capacitor. At moderate and light loads, pulse frequency modulation is used to operate the device in power-save mode with a typical quiescent current of 25µA. Even with such a low quiescent current, the part exhibits excellent transient response during large load swings. In shutdown mode, the supply current drops below 1µA, reducing power consumption. FAN5358 is available in a 6-lead SC70 package.

Fairchild Semiconductor

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기술 사양

Physical

Case/PackageTSSOP

MountSurface Mount

Number of Pins6

Number of Terminals6

Weight28 mg

Technical

Efficiency80 %

Max Input Voltage5.5 V

Max Operating Temperature85 °C

Max Output Current500 mA

Max Output Voltage1.045 V

Max Switching Frequency2 MHz

Min Input Voltage2.7 V

Min Operating Temperature-40 °C

Min Output Voltage955 mV

Nominal Input Voltage3.6 V

Nominal Output Voltage1 V

Number of Circuits1

Number of Outputs1

Operating Supply Voltage5.5 V

Output Current500 mA

Output TypeFixed

Output Voltage1 V

Switching Frequency2 MHz

Synchronous RectifierYes

Temperature GradeIndustrial

TopologyBuck

Dimensions

Height1 mm

Height - Seated (Max)1.1 mm

Length2 mm

Terminal Pitch650 µm

Width1.25 mm

데이터시트 및 문서

onsemi FAN5358S710X에 대한 데이터시트 및 제조업체 설명서를 다운로드하세요.